Index: doc/src/sgml/monitoring.sgml
===================================================================
RCS file: /projects/cvsroot/pgsql/doc/src/sgml/monitoring.sgml,v
retrieving revision 1.50
diff -c -r1.50 monitoring.sgml
*** doc/src/sgml/monitoring.sgml 27 Apr 2007 20:08:43 -0000 1.50
--- doc/src/sgml/monitoring.sgml 7 May 2007 01:30:19 -0000
***************
*** 250,258 ****
pg_stat_bgwriter
One row only, showing cluster-wide statistics from the
! background writer: number of scheduled checkpoints, requested
! checkpoints, buffers written by checkpoints, lru-scans and all-scans,
! and the number of times the bgwriter aborted a round because it had
written too many buffers during lru-scans and all-scans.
--- 250,259 ----
pg_stat_bgwriter
One row only, showing cluster-wide statistics from the
! background writer and shared buffer pool: number of scheduled
! checkpoints, requested checkpoints, buffers written by checkpoints,
! lru-scans, all-scans, and clients, total buffers allocated, and the
! number of times the bgwriter aborted a round because it had
written too many buffers during lru-scans and all-scans.
***************
*** 815,820 ****
--- 816,839 ----
+ pg_stat_get_bgwriter_buf_written_client()
+ bigint
+
+ The number of buffers written by clients because they needed
+ to allocate a new buffer
+
+
+
+
+ pg_stat_get_bgwriter_buf_alloc()
+ bigint
+
+ The total number of buffers allocated into the shared buffer
+ cache
+
+
+
+
pg_stat_clear_snapshot()
void
Index: src/backend/catalog/system_views.sql
===================================================================
RCS file: /projects/cvsroot/pgsql/src/backend/catalog/system_views.sql,v
retrieving revision 1.37
diff -c -r1.37 system_views.sql
*** src/backend/catalog/system_views.sql 30 Mar 2007 18:34:55 -0000 1.37
--- src/backend/catalog/system_views.sql 7 May 2007 01:30:20 -0000
***************
*** 373,376 ****
pg_stat_get_bgwriter_buf_written_lru() AS buffers_lru,
pg_stat_get_bgwriter_buf_written_all() AS buffers_all,
pg_stat_get_bgwriter_maxwritten_lru() AS maxwritten_lru,
! pg_stat_get_bgwriter_maxwritten_all() AS maxwritten_all;
--- 373,379 ----
pg_stat_get_bgwriter_buf_written_lru() AS buffers_lru,
pg_stat_get_bgwriter_buf_written_all() AS buffers_all,
pg_stat_get_bgwriter_maxwritten_lru() AS maxwritten_lru,
! pg_stat_get_bgwriter_maxwritten_all() AS maxwritten_all,
! pg_stat_get_bgwriter_buf_written_client() AS buffers_client,
! pg_stat_get_bgwriter_buf_alloc() AS buffers_alloc
! ;
Index: src/backend/postmaster/bgwriter.c
===================================================================
RCS file: /projects/cvsroot/pgsql/src/backend/postmaster/bgwriter.c,v
retrieving revision 1.37
diff -c -r1.37 bgwriter.c
*** src/backend/postmaster/bgwriter.c 30 Mar 2007 18:34:55 -0000 1.37
--- src/backend/postmaster/bgwriter.c 7 May 2007 01:30:21 -0000
***************
*** 147,156 ****
static volatile sig_atomic_t shutdown_requested = false;
/*
! * Private state
*/
! static bool am_bg_writer = false;
static bool ckpt_active = false;
static time_t last_checkpoint_time;
--- 147,160 ----
static volatile sig_atomic_t shutdown_requested = false;
/*
! * Buffer and fsync activity and statistics nned to work differently
! * when the current process is the background writer
*/
! bool am_bg_writer = false;
+ /*
+ * Private state
+ */
static bool ckpt_active = false;
static time_t last_checkpoint_time;
Index: src/backend/postmaster/pgstat.c
===================================================================
RCS file: /projects/cvsroot/pgsql/src/backend/postmaster/pgstat.c,v
retrieving revision 1.155
diff -c -r1.155 pgstat.c
*** src/backend/postmaster/pgstat.c 30 Apr 2007 16:37:08 -0000 1.155
--- src/backend/postmaster/pgstat.c 7 May 2007 01:30:23 -0000
***************
*** 1736,1742 ****
BgWriterStats.m_buf_written_lru == 0 &&
BgWriterStats.m_buf_written_all == 0 &&
BgWriterStats.m_maxwritten_lru == 0 &&
! BgWriterStats.m_maxwritten_all == 0)
return;
/*
--- 1736,1744 ----
BgWriterStats.m_buf_written_lru == 0 &&
BgWriterStats.m_buf_written_all == 0 &&
BgWriterStats.m_maxwritten_lru == 0 &&
! BgWriterStats.m_maxwritten_all == 0 &&
! BgWriterStats.m_buf_written_client == 0 &&
! BgWriterStats.m_buf_alloc == 0)
return;
/*
***************
*** 2805,2808 ****
--- 2807,2812 ----
globalStats.buf_written_all += msg->m_buf_written_all;
globalStats.maxwritten_lru += msg->m_maxwritten_lru;
globalStats.maxwritten_all += msg->m_maxwritten_all;
+ globalStats.buf_written_client += msg->m_buf_written_client;
+ globalStats.buf_alloc += msg->m_buf_alloc;
}
Index: src/backend/storage/buffer/bufmgr.c
===================================================================
RCS file: /projects/cvsroot/pgsql/src/backend/storage/buffer/bufmgr.c,v
retrieving revision 1.218
diff -c -r1.218 bufmgr.c
*** src/backend/storage/buffer/bufmgr.c 2 May 2007 23:34:48 -0000 1.218
--- src/backend/storage/buffer/bufmgr.c 7 May 2007 01:30:24 -0000
***************
*** 987,997 ****
int buf_id;
int num_to_scan;
int absorb_counter;
/*
* Find out where to start the circular scan.
*/
! buf_id = StrategySyncStart();
/* Make sure we can handle the pin inside SyncOneBuffer */
ResourceOwnerEnlargeBuffers(CurrentResourceOwner);
--- 987,1001 ----
int buf_id;
int num_to_scan;
int absorb_counter;
+ int recent_alloc;
+ int num_client_writes;
/*
* Find out where to start the circular scan.
*/
! buf_id = StrategySyncStart(&recent_alloc,&num_client_writes);
! BgWriterStats.m_buf_alloc+=recent_alloc;
! BgWriterStats.m_buf_written_client+=num_client_writes;
/* Make sure we can handle the pin inside SyncOneBuffer */
ResourceOwnerEnlargeBuffers(CurrentResourceOwner);
***************
*** 1036,1041 ****
--- 1040,1047 ----
int buf_id2;
int num_to_scan;
int num_written;
+ int recent_alloc;
+ int num_client_writes;
/* Make sure we can handle the pin inside SyncOneBuffer */
ResourceOwnerEnlargeBuffers(CurrentResourceOwner);
***************
*** 1080,1085 ****
--- 1086,1098 ----
}
/*
+ * Find out where to start the circular scan.
+ */
+ buf_id2 = StrategySyncStart(&recent_alloc,&num_client_writes);
+ BgWriterStats.m_buf_alloc+=recent_alloc;
+ BgWriterStats.m_buf_written_client+=num_client_writes;
+
+ /*
* This loop considers only unpinned buffers close to the clock sweep
* point.
*/
***************
*** 1088,1095 ****
num_to_scan = (int) ((NBuffers * bgwriter_lru_percent + 99) / 100);
num_written = 0;
- buf_id2 = StrategySyncStart();
-
while (num_to_scan-- > 0)
{
if (SyncOneBuffer(buf_id2, true))
--- 1101,1106 ----
***************
*** 1451,1456 ****
--- 1462,1468 ----
false);
BufferFlushCount++;
+ StrategyReportWrite();
/*
* Mark the buffer as clean (unless BM_JUST_DIRTIED has become set) and
Index: src/backend/storage/buffer/freelist.c
===================================================================
RCS file: /projects/cvsroot/pgsql/src/backend/storage/buffer/freelist.c,v
retrieving revision 1.58
diff -c -r1.58 freelist.c
*** src/backend/storage/buffer/freelist.c 5 Jan 2007 22:19:37 -0000 1.58
--- src/backend/storage/buffer/freelist.c 7 May 2007 01:30:24 -0000
***************
*** 29,34 ****
--- 29,36 ----
int firstFreeBuffer; /* Head of list of unused buffers */
int lastFreeBuffer; /* Tail of list of unused buffers */
+ int numGetBuffer; /* Calls to BufferAlloc since last reset */
+ int numClientWrites; /* Buffers written by clients since last reset */
/*
* NOTE: lastFreeBuffer is undefined when firstFreeBuffer is -1 (that is,
***************
*** 42,47 ****
--- 44,51 ----
/* Backend-local state about whether currently vacuuming */
bool strategy_hint_vacuum = false;
+ /* Used to determine which type of process we're running as */
+ extern bool am_bg_writer;
/*
* StrategyGetBuffer
***************
*** 62,67 ****
--- 66,72 ----
int trycounter;
LWLockAcquire(BufFreelistLock, LW_EXCLUSIVE);
+ StrategyControl->numGetBuffer++;
/*
* Try to get a buffer from the freelist. Note that the freeNext fields
***************
*** 176,182 ****
* BufferSync() will proceed circularly around the buffer array from there.
*/
int
! StrategySyncStart(void)
{
int result;
--- 181,187 ----
* BufferSync() will proceed circularly around the buffer array from there.
*/
int
! StrategySyncStart(int *num_buf_alloc,int *num_client_writes)
{
int result;
***************
*** 186,196 ****
--- 191,220 ----
*/
LWLockAcquire(BufFreelistLock, LW_EXCLUSIVE);
result = StrategyControl->nextVictimBuffer;
+
+ /* Return and reset statistics for activity since last call */
+ if (num_buf_alloc!=NULL) *num_buf_alloc=StrategyControl->numGetBuffer;
+ if (num_client_writes!=NULL) *num_client_writes=StrategyControl->numClientWrites;
+ StrategyControl->numGetBuffer = 0;
+ StrategyControl->numClientWrites = 0;
+
LWLockRelease(BufFreelistLock);
return result;
}
/*
+ * StrategyReportWrite -- After a buffer is written out, update
+ * local statistics based on who did the writing
+ */
+ void
+ StrategyReportWrite(void)
+ {
+ /* The background writer keeps track of buffers it writes already,
+ only count client writes */
+ if (!am_bg_writer) StrategyControl->numClientWrites++;
+ }
+
+ /*
* StrategyHintVacuum -- tell us whether VACUUM is active
*/
void
***************
*** 270,275 ****
--- 294,301 ----
/* Initialize the clock sweep pointer */
StrategyControl->nextVictimBuffer = 0;
+ StrategyControl->numGetBuffer = 0;
+ StrategyControl->numClientWrites = 0;
}
else
Assert(!init);
Index: src/backend/utils/adt/pgstatfuncs.c
===================================================================
RCS file: /projects/cvsroot/pgsql/src/backend/utils/adt/pgstatfuncs.c,v
retrieving revision 1.41
diff -c -r1.41 pgstatfuncs.c
*** src/backend/utils/adt/pgstatfuncs.c 30 Mar 2007 18:34:55 -0000 1.41
--- src/backend/utils/adt/pgstatfuncs.c 7 May 2007 01:30:25 -0000
***************
*** 68,73 ****
--- 68,75 ----
extern Datum pg_stat_get_bgwriter_buf_written_all(PG_FUNCTION_ARGS);
extern Datum pg_stat_get_bgwriter_maxwritten_lru(PG_FUNCTION_ARGS);
extern Datum pg_stat_get_bgwriter_maxwritten_all(PG_FUNCTION_ARGS);
+ extern Datum pg_stat_get_bgwriter_buf_written_client(PG_FUNCTION_ARGS);
+ extern Datum pg_stat_get_bgwriter_buf_alloc(PG_FUNCTION_ARGS);
extern Datum pg_stat_clear_snapshot(PG_FUNCTION_ARGS);
extern Datum pg_stat_reset(PG_FUNCTION_ARGS);
***************
*** 808,813 ****
--- 810,826 ----
PG_RETURN_INT64(pgstat_fetch_global()->maxwritten_all);
}
+ Datum
+ pg_stat_get_bgwriter_buf_written_client(PG_FUNCTION_ARGS)
+ {
+ PG_RETURN_INT64(pgstat_fetch_global()->buf_written_client);
+ }
+
+ Datum
+ pg_stat_get_bgwriter_buf_alloc(PG_FUNCTION_ARGS)
+ {
+ PG_RETURN_INT64(pgstat_fetch_global()->buf_alloc);
+ }
/* Discard the active statistics snapshot */
Datum
Index: src/include/pgstat.h
===================================================================
RCS file: /projects/cvsroot/pgsql/src/include/pgstat.h,v
retrieving revision 1.58
diff -c -r1.58 pgstat.h
*** src/include/pgstat.h 30 Apr 2007 16:37:08 -0000 1.58
--- src/include/pgstat.h 7 May 2007 01:30:26 -0000
***************
*** 228,233 ****
--- 228,235 ----
PgStat_Counter m_buf_written_all;
PgStat_Counter m_maxwritten_lru;
PgStat_Counter m_maxwritten_all;
+ PgStat_Counter m_buf_written_client;
+ PgStat_Counter m_buf_alloc;
} PgStat_MsgBgWriter;
***************
*** 329,334 ****
--- 331,338 ----
PgStat_Counter buf_written_all;
PgStat_Counter maxwritten_lru;
PgStat_Counter maxwritten_all;
+ PgStat_Counter buf_written_client;
+ PgStat_Counter buf_alloc;
} PgStat_GlobalStats;
Index: src/include/catalog/pg_proc.h
===================================================================
RCS file: /projects/cvsroot/pgsql/src/include/catalog/pg_proc.h,v
retrieving revision 1.454
diff -c -r1.454 pg_proc.h
*** src/include/catalog/pg_proc.h 2 Apr 2007 03:49:40 -0000 1.454
--- src/include/catalog/pg_proc.h 7 May 2007 01:30:33 -0000
***************
*** 3001,3006 ****
--- 3001,3010 ----
DESCR("Statistics: Number of times the bgwriter stopped processing when it had written too many buffers during LRU scans");
DATA(insert OID = 2775 ( pg_stat_get_bgwriter_maxwritten_all PGNSP PGUID 12 1 0 f f t f s 0 20 "" _null_ _null_ _null_ pg_stat_get_bgwriter_maxwritten_all - _null_ ));
DESCR("Statistics: Number of times the bgwriter stopped processing when it had written too many buffers during all-buffer scans");
+ DATA(insert OID = 2776 ( pg_stat_get_bgwriter_buf_written_client PGNSP PGUID 12 1 0 f f t f s 0 20 "" _null_ _null_ _null_ pg_stat_get_bgwriter_buf_written_client - _null_ ));
+ DESCR("Statistics: Number of buffers written by client backends");
+ DATA(insert OID = 2777 ( pg_stat_get_bgwriter_buf_alloc PGNSP PGUID 12 1 0 f f t f s 0 20 "" _null_ _null_ _null_ pg_stat_get_bgwriter_buf_alloc - _null_ ));
+ DESCR("Statistics: Number of buffers allocated for the shared buffer cache");
DATA(insert OID = 2230 ( pg_stat_clear_snapshot PGNSP PGUID 12 1 0 f f f f v 0 2278 "" _null_ _null_ _null_ pg_stat_clear_snapshot - _null_ ));
DESCR("Statistics: Discard current transaction's statistics snapshot");
DATA(insert OID = 2274 ( pg_stat_reset PGNSP PGUID 12 1 0 f f f f v 0 2278 "" _null_ _null_ _null_ pg_stat_reset - _null_ ));
Index: src/include/storage/buf_internals.h
===================================================================
RCS file: /projects/cvsroot/pgsql/src/include/storage/buf_internals.h,v
retrieving revision 1.89
diff -c -r1.89 buf_internals.h
*** src/include/storage/buf_internals.h 5 Jan 2007 22:19:57 -0000 1.89
--- src/include/storage/buf_internals.h 7 May 2007 01:30:33 -0000
***************
*** 186,192 ****
/* freelist.c */
extern volatile BufferDesc *StrategyGetBuffer(void);
extern void StrategyFreeBuffer(volatile BufferDesc *buf, bool at_head);
! extern int StrategySyncStart(void);
extern Size StrategyShmemSize(void);
extern void StrategyInitialize(bool init);
--- 186,193 ----
/* freelist.c */
extern volatile BufferDesc *StrategyGetBuffer(void);
extern void StrategyFreeBuffer(volatile BufferDesc *buf, bool at_head);
! extern int StrategySyncStart(int *num_buf_alloc, int *num_client_writes);
! extern void StrategyReportWrite();
extern Size StrategyShmemSize(void);
extern void StrategyInitialize(bool init);
Index: src/test/regress/expected/rules.out
===================================================================
RCS file: /projects/cvsroot/pgsql/src/test/regress/expected/rules.out,v
retrieving revision 1.127
diff -c -r1.127 rules.out
*** src/test/regress/expected/rules.out 30 Mar 2007 18:34:56 -0000 1.127
--- src/test/regress/expected/rules.out 7 May 2007 01:30:36 -0000
***************
*** 1292,1298 ****
pg_stat_activity | SELECT d.oid AS datid, d.datname, pg_stat_get_backend_pid(s.backendid) AS procpid, pg_stat_get_backend_userid(s.backendid) AS usesysid, u.rolname AS usename, pg_stat_get_backend_activity(s.backendid) AS current_query, pg_stat_get_backend_waiting(s.backendid) AS waiting, pg_stat_get_backend_txn_start(s.backendid) AS txn_start, pg_stat_get_backend_activity_start(s.backendid) AS query_start, pg_stat_get_backend_start(s.backendid) AS backend_start, pg_stat_get_backend_client_addr(s.backendid) AS client_addr, pg_stat_get_backend_client_port(s.backendid) AS client_port FROM pg_database d, (SELECT pg_stat_get_backend_idset() AS backendid) s, pg_authid u WHERE ((pg_stat_get_backend_dbid(s.backendid) = d.oid) AND (pg_stat_get_backend_userid(s.backendid) = u.oid));
pg_stat_all_indexes | SELECT c.oid AS relid, i.oid AS indexrelid, n.nspname AS schemaname, c.relname, i.relname AS indexrelname, pg_stat_get_numscans(i.oid) AS idx_scan, pg_stat_get_tuples_returned(i.oid) AS idx_tup_read, pg_stat_get_tuples_fetched(i.oid) AS idx_tup_fetch FROM (((pg_class c JOIN pg_index x ON ((c.oid = x.indrelid))) JOIN pg_class i ON ((i.oid = x.indexrelid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = ANY (ARRAY['r'::"char", 't'::"char"]));
pg_stat_all_tables | SELECT c.oid AS relid, n.nspname AS schemaname, c.relname, pg_stat_get_numscans(c.oid) AS seq_scan, pg_stat_get_tuples_returned(c.oid) AS seq_tup_read, (sum(pg_stat_get_numscans(i.indexrelid)))::bigint AS idx_scan, ((sum(pg_stat_get_tuples_fetched(i.indexrelid)))::bigint + pg_stat_get_tuples_fetched(c.oid)) AS idx_tup_fetch, pg_stat_get_tuples_inserted(c.oid) AS n_tup_ins, pg_stat_get_tuples_updated(c.oid) AS n_tup_upd, pg_stat_get_tuples_deleted(c.oid) AS n_tup_del, pg_stat_get_live_tuples(c.oid) AS n_live_tup, pg_stat_get_dead_tuples(c.oid) AS n_dead_tup, pg_stat_get_last_vacuum_time(c.oid) AS last_vacuum, pg_stat_get_last_autovacuum_time(c.oid) AS last_autovacuum, pg_stat_get_last_analyze_time(c.oid) AS last_analyze, pg_stat_get_last_autoanalyze_time(c.oid) AS last_autoanalyze FROM ((pg_class c LEFT JOIN pg_index i ON ((c.oid = i.indrelid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = ANY (ARRAY['r'::"char", 't'::"char"])) GROUP BY c.oid, n.nspname, c.relname;
! pg_stat_bgwriter | SELECT pg_stat_get_bgwriter_timed_checkpoints() AS checkpoints_timed, pg_stat_get_bgwriter_requested_checkpoints() AS checkpoints_req, pg_stat_get_bgwriter_buf_written_checkpoints() AS buffers_checkpoint, pg_stat_get_bgwriter_buf_written_lru() AS buffers_lru, pg_stat_get_bgwriter_buf_written_all() AS buffers_all, pg_stat_get_bgwriter_maxwritten_lru() AS maxwritten_lru, pg_stat_get_bgwriter_maxwritten_all() AS maxwritten_all;
pg_stat_database | SELECT d.oid AS datid, d.datname, pg_stat_get_db_numbackends(d.oid) AS numbackends, pg_stat_get_db_xact_commit(d.oid) AS xact_commit, pg_stat_get_db_xact_rollback(d.oid) AS xact_rollback, (pg_stat_get_db_blocks_fetched(d.oid) - pg_stat_get_db_blocks_hit(d.oid)) AS blks_read, pg_stat_get_db_blocks_hit(d.oid) AS blks_hit, pg_stat_get_db_tuples_returned(d.oid) AS tup_returned, pg_stat_get_db_tuples_fetched(d.oid) AS tup_fetched, pg_stat_get_db_tuples_inserted(d.oid) AS tup_inserted, pg_stat_get_db_tuples_updated(d.oid) AS tup_updated, pg_stat_get_db_tuples_deleted(d.oid) AS tup_deleted FROM pg_database d;
pg_stat_sys_indexes | SELECT pg_stat_all_indexes.relid, pg_stat_all_indexes.indexrelid, pg_stat_all_indexes.schemaname, pg_stat_all_indexes.relname, pg_stat_all_indexes.indexrelname, pg_stat_all_indexes.idx_scan, pg_stat_all_indexes.idx_tup_read, pg_stat_all_indexes.idx_tup_fetch FROM pg_stat_all_indexes WHERE (pg_stat_all_indexes.schemaname = ANY (ARRAY['pg_catalog'::"name", 'pg_toast'::"name", 'information_schema'::"name"]));
pg_stat_sys_tables | SELECT pg_stat_all_tables.relid, pg_stat_all_tables.schemaname, pg_stat_all_tables.relname, pg_stat_all_tables.seq_scan, pg_stat_all_tables.seq_tup_read, pg_stat_all_tables.idx_scan, pg_stat_all_tables.idx_tup_fetch, pg_stat_all_tables.n_tup_ins, pg_stat_all_tables.n_tup_upd, pg_stat_all_tables.n_tup_del, pg_stat_all_tables.n_live_tup, pg_stat_all_tables.n_dead_tup, pg_stat_all_tables.last_vacuum, pg_stat_all_tables.last_autovacuum, pg_stat_all_tables.last_analyze, pg_stat_all_tables.last_autoanalyze FROM pg_stat_all_tables WHERE (pg_stat_all_tables.schemaname = ANY (ARRAY['pg_catalog'::"name", 'pg_toast'::"name", 'information_schema'::"name"]));
--- 1292,1298 ----
pg_stat_activity | SELECT d.oid AS datid, d.datname, pg_stat_get_backend_pid(s.backendid) AS procpid, pg_stat_get_backend_userid(s.backendid) AS usesysid, u.rolname AS usename, pg_stat_get_backend_activity(s.backendid) AS current_query, pg_stat_get_backend_waiting(s.backendid) AS waiting, pg_stat_get_backend_txn_start(s.backendid) AS txn_start, pg_stat_get_backend_activity_start(s.backendid) AS query_start, pg_stat_get_backend_start(s.backendid) AS backend_start, pg_stat_get_backend_client_addr(s.backendid) AS client_addr, pg_stat_get_backend_client_port(s.backendid) AS client_port FROM pg_database d, (SELECT pg_stat_get_backend_idset() AS backendid) s, pg_authid u WHERE ((pg_stat_get_backend_dbid(s.backendid) = d.oid) AND (pg_stat_get_backend_userid(s.backendid) = u.oid));
pg_stat_all_indexes | SELECT c.oid AS relid, i.oid AS indexrelid, n.nspname AS schemaname, c.relname, i.relname AS indexrelname, pg_stat_get_numscans(i.oid) AS idx_scan, pg_stat_get_tuples_returned(i.oid) AS idx_tup_read, pg_stat_get_tuples_fetched(i.oid) AS idx_tup_fetch FROM (((pg_class c JOIN pg_index x ON ((c.oid = x.indrelid))) JOIN pg_class i ON ((i.oid = x.indexrelid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = ANY (ARRAY['r'::"char", 't'::"char"]));
pg_stat_all_tables | SELECT c.oid AS relid, n.nspname AS schemaname, c.relname, pg_stat_get_numscans(c.oid) AS seq_scan, pg_stat_get_tuples_returned(c.oid) AS seq_tup_read, (sum(pg_stat_get_numscans(i.indexrelid)))::bigint AS idx_scan, ((sum(pg_stat_get_tuples_fetched(i.indexrelid)))::bigint + pg_stat_get_tuples_fetched(c.oid)) AS idx_tup_fetch, pg_stat_get_tuples_inserted(c.oid) AS n_tup_ins, pg_stat_get_tuples_updated(c.oid) AS n_tup_upd, pg_stat_get_tuples_deleted(c.oid) AS n_tup_del, pg_stat_get_live_tuples(c.oid) AS n_live_tup, pg_stat_get_dead_tuples(c.oid) AS n_dead_tup, pg_stat_get_last_vacuum_time(c.oid) AS last_vacuum, pg_stat_get_last_autovacuum_time(c.oid) AS last_autovacuum, pg_stat_get_last_analyze_time(c.oid) AS last_analyze, pg_stat_get_last_autoanalyze_time(c.oid) AS last_autoanalyze FROM ((pg_class c LEFT JOIN pg_index i ON ((c.oid = i.indrelid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = ANY (ARRAY['r'::"char", 't'::"char"])) GROUP BY c.oid, n.nspname, c.relname;
! pg_stat_bgwriter | SELECT pg_stat_get_bgwriter_timed_checkpoints() AS checkpoints_timed, pg_stat_get_bgwriter_requested_checkpoints() AS checkpoints_req, pg_stat_get_bgwriter_buf_written_checkpoints() AS buffers_checkpoint, pg_stat_get_bgwriter_buf_written_lru() AS buffers_lru, pg_stat_get_bgwriter_buf_written_all() AS buffers_all, pg_stat_get_bgwriter_maxwritten_lru() AS maxwritten_lru, pg_stat_get_bgwriter_maxwritten_all() AS maxwritten_all, pg_stat_get_bgwriter_buf_written_client() AS buffers_client, pg_stat_get_bgwriter_buf_alloc() AS buffers_alloc;
pg_stat_database | SELECT d.oid AS datid, d.datname, pg_stat_get_db_numbackends(d.oid) AS numbackends, pg_stat_get_db_xact_commit(d.oid) AS xact_commit, pg_stat_get_db_xact_rollback(d.oid) AS xact_rollback, (pg_stat_get_db_blocks_fetched(d.oid) - pg_stat_get_db_blocks_hit(d.oid)) AS blks_read, pg_stat_get_db_blocks_hit(d.oid) AS blks_hit, pg_stat_get_db_tuples_returned(d.oid) AS tup_returned, pg_stat_get_db_tuples_fetched(d.oid) AS tup_fetched, pg_stat_get_db_tuples_inserted(d.oid) AS tup_inserted, pg_stat_get_db_tuples_updated(d.oid) AS tup_updated, pg_stat_get_db_tuples_deleted(d.oid) AS tup_deleted FROM pg_database d;
pg_stat_sys_indexes | SELECT pg_stat_all_indexes.relid, pg_stat_all_indexes.indexrelid, pg_stat_all_indexes.schemaname, pg_stat_all_indexes.relname, pg_stat_all_indexes.indexrelname, pg_stat_all_indexes.idx_scan, pg_stat_all_indexes.idx_tup_read, pg_stat_all_indexes.idx_tup_fetch FROM pg_stat_all_indexes WHERE (pg_stat_all_indexes.schemaname = ANY (ARRAY['pg_catalog'::"name", 'pg_toast'::"name", 'information_schema'::"name"]));
pg_stat_sys_tables | SELECT pg_stat_all_tables.relid, pg_stat_all_tables.schemaname, pg_stat_all_tables.relname, pg_stat_all_tables.seq_scan, pg_stat_all_tables.seq_tup_read, pg_stat_all_tables.idx_scan, pg_stat_all_tables.idx_tup_fetch, pg_stat_all_tables.n_tup_ins, pg_stat_all_tables.n_tup_upd, pg_stat_all_tables.n_tup_del, pg_stat_all_tables.n_live_tup, pg_stat_all_tables.n_dead_tup, pg_stat_all_tables.last_vacuum, pg_stat_all_tables.last_autovacuum, pg_stat_all_tables.last_analyze, pg_stat_all_tables.last_autoanalyze FROM pg_stat_all_tables WHERE (pg_stat_all_tables.schemaname = ANY (ARRAY['pg_catalog'::"name", 'pg_toast'::"name", 'information_schema'::"name"]));